Anthropic

Meet Claude Fable 5.1.

Claude Fable 5.1 succeeds Claude Fable 5 at the same per-token price, with cache reads at a quarter of the cost and stronger long-running agentic coding, multistep research, and document, spreadsheet, and slide work.

Trusted by 790,000+ users

1M tokens

Context

June 2026

Knowledge cutoff

128,000 tokens

Max output

Deliberate

Speed

Prompts to steal

Tuned to this model — click any line to copy.

Beyond chat — images & video

The same subscription covers the image studio and video generation.

A real FLUX Pro Ultra outputA real Google Imagen 4 outputA real Seedream output
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Claude Fable 5.1, and 50 more.

One subscription covers every model on NinjaChat, Claude Fable 5.1 included.